Psychtoolbox>Datapixx.{mex*} subfunction

Datapixx(‘SetPropixxLedMask’ [, mask=0]);

Turn off PROPixx LEDs according to the mask argument.
The “mask” determines which of the color are turned off.mask can take on one of
the following values:
0: All LEDs are on.
1: RED is turned off.
2: GREEN is turned off.
3: RED and GREEN are turned off.
4: BLUE is turned off.
5: RED and BLUE are turned off.
6: BLUE and GREEN are turned off.
7: ALL LEDs are off.

###See also: GetVideoStatus